void _AnimateVisibility(int ss)
{
if (_meshObjects.Length == 0)
return;
// find out who needs default values Set
BitVector beenSet = new BitVector();
beenSet.SetSize(_meshObjects.Length);
beenSet.SetAll();
for (int i = 0; i < _threadList.Count; i++)
beenSet.TakeAway(_threadList[i].Sequence.DoesVisibilityMatter);
// Set defaults
int a = _shape.SubShapeFirstObject[ss];
int b = a + _shape.SubShapeObjectCount[ss];
for (int i = a; i < b; i++)
{
if (beenSet.Test(i))
_meshObjects[i].Visibility = _shape.ObjectStates[i].Visibility;
}
// go through each thread and Set visibility on those objects that
// are not Set yet and are controlled by that thread
BitVector objectMatters = new BitVector();
for (int i = 0; i < _threadList.Count; i++)
{
Thread th = _threadList[i];
objectMatters.Copy(ref th.Sequence.DoesFrameMatter);
objectMatters.Overlap(th.Sequence.DoesMaterialFrameMatter);
objectMatters.Overlap(th.Sequence.DoesVisibilityMatter);
// skip to beginining of this sub-shape
int j = 0;
int start = objectMatters.Start();
int end = b;
for (int objectIndex = start; objectIndex < b; objectMatters.Next(ref objectIndex), j++)
{
if (!beenSet.Test(objectIndex) && th.Sequence.DoesVisibilityMatter.Test(objectIndex))
{
float state1 = _shape.GetObjectState(th.Sequence, th._keyNum1, j).Visibility;
float state2 = _shape.GetObjectState(th.Sequence, th._keyNum2, j).Visibility;
if ((state1 - state2) * (state1 - state2) > 0.99f)
// goes from 0 to 1 -- discreet jump
_meshObjects[objectIndex].Visibility = th._keyPos < 0.5f ? state1 : state2;
else
// Interpolate between keyframes when visibility change is gradual
_meshObjects[objectIndex].Visibility = (1.0f - th._keyPos) * state1 + th._keyPos * state2;
// record change so that later threads don't over-write us...
beenSet.Set(objectIndex);
}
}
}
}
void _HandleBlendSequence(Thread thread, int a, int b)
{
int jrot = 0;
int jtrans = 0;
int jscale = 0;
BitVector nodeMatters = new BitVector();
nodeMatters.Copy(ref thread.Sequence.DoesTranslationMatter);
nodeMatters.Overlap(thread.Sequence.DoesRotationMatter);
nodeMatters.Overlap(thread.Sequence.DoesScaleMatter);
int start = nodeMatters.Start();
int end = b;
for (int nodeIndex = start; nodeIndex < end; nodeMatters.Next(ref nodeIndex))
{
// skip nodes outside of this detail
if (start < a || _disableBlendNodes.Test(nodeIndex))
{
if (thread.Sequence.DoesRotationMatter.Test(nodeIndex))
jrot++;
if (thread.Sequence.DoesTranslationMatter.Test(nodeIndex))
jtrans++;
if (thread.Sequence.DoesScaleMatter.Test(nodeIndex))
jscale++;
continue;
}
Matrix mat = Matrix.Identity;
if (thread.Sequence.DoesRotationMatter.Test(nodeIndex))
{
Quaternion q1, q2;
_shape.GetRotation(thread.Sequence, thread._keyNum1, jrot, out q1);
_shape.GetRotation(thread.Sequence, thread._keyNum2, jrot, out q2);
Quaternion quat;
Transform.Interpolate(q1, q2, thread._keyPos, out quat);
Transform.SetMatrix(quat, out mat);
jrot++;
}
if (thread.Sequence.DoesTranslationMatter.Test(nodeIndex))
{
Vector3 p1 = _shape.GetTranslation(thread.Sequence, thread._keyNum1, jtrans);
Vector3 p2 = _shape.GetTranslation(thread.Sequence, thread._keyNum2, jtrans);
Vector3 p;
Transform.Interpolate(p1, p2, thread._keyPos, out p);
mat.Translation = p;
jtrans++;
}
if (thread.Sequence.DoesScaleMatter.Test(nodeIndex))
{
if (thread.Sequence.IsUniformScaleAnimated())
{
float s1 = _shape.GetUniformScale(thread.Sequence, thread._keyNum1, jscale);
float s2 = _shape.GetUniformScale(thread.Sequence, thread._keyNum2, jscale);
float scale = Transform.Interpolate(s1, s2, thread._keyPos);
Transform.ApplyScale(scale, ref mat);
}
else if (AnimatesAlignedScale())
{
Vector3 s1 = _shape.GetAlignedScale(thread.Sequence, thread._keyNum1, jscale);
Vector3 s2 = _shape.GetAlignedScale(thread.Sequence, thread._keyNum2, jscale);
Vector3 scale;
Transform.Interpolate(s1, s2, thread._keyPos, out scale);
Transform.ApplyScale(scale, ref mat);
}
else
{
ArbitraryScale s1, s2;
_shape.GetArbitraryScale(thread.Sequence, thread._keyNum1, jscale, out s1);
_shape.GetArbitraryScale(thread.Sequence, thread._keyNum2, jscale, out s2);
ArbitraryScale scale;
Transform.Interpolate(ref s1, ref s2, thread._keyPos, out scale);
Transform.ApplyScale(scale, ref mat);
}
jscale++;
}
// apply blend transform
_nodeTransforms[nodeIndex] = Matrix.Multiply(mat, _nodeTransforms[nodeIndex]);
}
}
void _AnimateMatFrame(int ss)
{
if (_meshObjects.Length == 0)
return;
// find out who needs default values Set
BitVector beenSet = new BitVector();
beenSet.SetSize(_meshObjects.Length);
beenSet.SetAll();
for (int i = 0; i < _threadList.Count; i++)
beenSet.TakeAway(_threadList[i].Sequence.DoesMaterialFrameMatter);
// Set defaults
int a = _shape.SubShapeFirstObject[ss];
int b = a + _shape.SubShapeObjectCount[ss];
for (int i = a; i < b; i++)
{
if (beenSet.Test(i))
_meshObjects[i].MaterialFrame = _shape.ObjectStates[i].MaterialFrameIndex;
}
// go through each thread and Set matFrame on those objects that
// are not Set yet and are controlled by that thread
BitVector objectMatters = new BitVector();
for (int i = 0; i < _threadList.Count; i++)
{
Thread th = _threadList[i];
objectMatters.Copy(ref th.Sequence.DoesFrameMatter);
objectMatters.Overlap(th.Sequence.DoesMaterialFrameMatter);
objectMatters.Overlap(th.Sequence.DoesVisibilityMatter);
// skip to beginining of this sub-shape
int j = 0;
int start = objectMatters.Start();
int end = b;
for (int objectIndex = start; objectIndex < end; objectMatters.Next(ref objectIndex), j++)
{
if (!beenSet.Test(objectIndex) && th.Sequence.DoesMaterialFrameMatter.Test(objectIndex))
{
int key = (th._keyPos < 0.5f) ? th._keyNum1 : th._keyNum2;
_meshObjects[objectIndex].MaterialFrame = _shape.GetObjectState(th.Sequence, key, j).MaterialFrameIndex;
// record change so that later threads don't over-write us...
beenSet.Set(objectIndex);
}
}
}
}